======================================
| [   10.735892][  T193] softirqs last disabled at (32587): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.735894][  T193] Preemption disabled at:
| [   10.735894][  T193] 0x0
| [   10.735904][  T193] Tainted: [W]=WARN
[   10.735905][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.735907][  T193] Call Trace:
[   10.735908][  T193]  <TASK>
[   10.735910][  T193]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.735916][  T193]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.735921][  T193]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.735925][  T193]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.735930][  T193]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.735932][  T193]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.735938][  T193]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.735941][  T193]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.735944][  T193]  put_chars (drivers/char/virtio_console.c:1176)
[   10.735947][  T193]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.735948][  T193]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.735953][  T193]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.735958][  T193]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.735964][  T193]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.735966][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.735968][  T193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.735972][  T193]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.735976][  T193]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.735978][  T193]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.735981][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.735983][  T193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.735987][  T193]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.735991][  T193]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.735993][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.735998][  T193]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.736001][  T193]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.736003][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.736005][  T193]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.736009][  T193]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.736010][  T193]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.736014][  T193]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.736017][  T193]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.736021][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.736024][  T193]  _printk (kernel/printk/printk.c:2504)
[   10.736028][  T193]  ? snapshot_read.cold (user.c:?)
[   10.736031][  T193]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.736033][  T193]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.736037][  T193]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.736040][  T193]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.736043][  T193]  ? exit_notify (kernel/exit.c:780)
[   10.736045][  T193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.736048][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.736052][  T193]  do_group_exit (kernel/exit.c:1151)
[   10.736055][  T193]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.736056][  T193]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.736059][  T193]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.736062][  T193]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.736065][  T193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.736068][  T193] RIP: 0033:0x7f89f1bee1b8
[   10.736070][  T193] Code: Unable to access opcode bytes at 0x7f89f1bee18e.

Code starting with the faulting instruction
===========================================
[   10.736071][  T193] RSP: 002b:00007fffe3895ec8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.736074][  T193] RAX: ffffffffffffffda RBX: 00007f89f1d1ef88 RCX: 00007f89f1bee1b8
[   10.736075][  T193] RDX: 00007f89f1938fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.736076][  T193] RBP: 00007fffe3895f20 R08: 0000000000000000 R09: 0000000000008010
[   10.736077][  T193] R10: 00007fffe3895ce0 R11: 0000000000000246 R12: 0000000000000001
[   10.736078][  T193] R13: 0000000000000000 R14: 00007f89f1d1d680 R15: 00007f89f1d1efa0
| [   11.922348][  T238] softirqs last disabled at (26455): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.922351][  T238] Preemption disabled at:
| [   11.922352][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.922363][  T238] Tainted: [W]=WARN
[   11.922364][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.922367][  T238] Call Trace:
[   11.922369][  T238]  <TASK>
[   11.922371][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.922378][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.922381][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.922387][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.922392][  T238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.922399][  T238]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.922403][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.922412][  T238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.922415][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.922421][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   11.922425][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.922427][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.922433][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.922436][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.922444][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.922447][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.922456][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.922460][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.922468][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.922474][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.922477][  T238]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.922482][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.922485][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.922492][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.922498][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.922501][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.922510][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.922514][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.922516][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.922520][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.922526][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.922528][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.922534][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.922545][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.922554][  T238]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.922560][  T238]  _printk (kernel/printk/printk.c:2504)
[   11.922565][  T238]  ? snapshot_read.cold (user.c:?)
[   11.922576][  T238]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.922580][  T238] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.922585][  T238]  do_one_initcall (init/main.c:1357)
[   11.922589][  T238]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.922597][  T238]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.922600][  T238]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.922608][  T238]  do_init_module (kernel/module/main.c:3117)
[   11.922614][  T238]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.922619][  T238]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.922624][  T238]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.922631][  T238]  load_module (kernel/module/main.c:3593)
[   11.922643][  T238]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.922649][  T238]  ? __ia32_sys_fsconfig (??:?)
[   11.922652][  T238]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.922658][  T238]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.922662][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.922668][  T238]  init_module_from_file (kernel/module/main.c:3790)
[   11.922673][  T238]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.922686][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.922692][  T238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.922697][  T238]  idempotent_init_module (kernel/module/main.c:3802)
[   11.922702][  T238]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.922713][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.922716][  T238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.922725][  T238]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.922728][  T238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.922733][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.922736][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.922740][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.922744][  T238] RIP: 0033:0x7fd4910f537d
[   11.922748][  T238] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.922751][  T238] RSP: 002b:00007fff399ab988 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.922754][  T238] RAX: ffffffffffffffda RBX: 00005591bab95810 RCX: 00007fd4910f537d
[   11.922756][  T238] RDX: 0000000000000000 RSI: 00005591b877dffd RDI: 0000000000000000
[   11.922758][  T238] RBP: 00007fff399aba20 R08: 0000000000000000 R09: 0000000000000000
[   11.922759][  T238] R10: 0000000000000000 R11: 0000000000000246 R12: 00005591b877dffd
[   11.922760][  T238] R13: 00005591bab95960 R14: 0000000000040000 R15: 0000000000000000
| [   13.390398][  T285] softirqs last disabled at (13366): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.390400][  T285] Preemption disabled at:
| [   13.390401][  T285] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.390410][  T285] Tainted: [W]=WARN
[   13.390411][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.390413][  T285] Call Trace:
[   13.390415][  T285]  <TASK>
[   13.390416][  T285]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.390422][  T285]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.390424][  T285]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.390429][  T285]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.390433][  T285]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.390438][  T285]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.390440][  T285]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.390445][  T285]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.390448][  T285]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.390451][  T285]  put_chars (drivers/char/virtio_console.c:1176)
[   13.390454][  T285]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.390458][  T285]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.390462][  T285]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.390464][  T285]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.390466][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390468][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390471][  T285]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.390473][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.390476][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390480][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.390484][  T285]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.390488][  T285]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.390489][  T285]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.390493][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390495][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.390499][  T285]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.390503][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.390504][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390510][  T285]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.390512][  T285]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.390514][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390516][  T285]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.390520][  T285]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.390521][  T285]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.390525][  T285]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.390529][  T285]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.390531][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.390533][  T285]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.390537][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.390546][  T285]  _printk (kernel/printk/printk.c:2504)
[   13.390549][  T285]  ? snapshot_read.cold (user.c:?)
[   13.390553][  T285]  ? br_multicast_flood (??:?) bridge
[   13.390566][  T285]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.390567][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.390568][  T285]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.390573][  T285] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.390582][  T285] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.390590][  T285] new_nbp (net/bridge/br_if.c:449) bridge
[   13.390599][  T285] br_add_if (net/bridge/br_if.c:592) bridge
[   13.390606][  T285]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.390610][  T285]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.390613][  T285]  ? __kernel_text_address (kernel/extable.c:79)
[   13.390617][  T285]  do_set_master (net/core/rtnetlink.c:3071)
[   13.390621][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.390624][  T285]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.390627][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.390629][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.390631][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.390635][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.390637][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.390639][  T285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.390642][  T285]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.390645][  T285]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.390646][  T285]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.390649][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390651][  T285]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.390654][  T285]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.390658][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.390660][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.390662][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390665][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.390666][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390668][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390670][  T285]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.390674][  T285]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.390676][  T285]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.390678][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.390681][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.390683][  T285]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.390688][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.390693][  T285]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.390698][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.390700][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390704][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.390706][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.390708][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.390709][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.390713][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.390715][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.390718][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.390719][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390723][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.390725][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.390729][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.390731][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.390733][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.390739][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.390741][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.390745][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.390748][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.390751][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.390755][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.390758][  T285]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.390762][  T285]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.390767][  T285]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.390770][  T285]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.390772][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.390773][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   13.390781][  T285]  ___sys_sendmsg (net/socket.c:2767)
[   13.390784][  T285]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.390799][  T285]  __sys_sendmsg (net/socket.c:2799)
[   13.390802][  T285]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.390808][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.390812][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.390814][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.390817][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.390819][  T285] RIP: 0033:0x7f31d203b54e
[   13.390823][  T285] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.390825][  T285] RSP: 002b:00007ffc71f98910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.390827][  T285] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f31d203b54e
[   13.390829][  T285] RDX: 0000000000000000 RSI: 00007ffc71f989c0 RDI: 0000000000000005
[   13.390830][  T285] RBP: 00007ffc71f98920 R08: 0000000000000000 R09: 0000000000000000
[   13.390831][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91050e
[   13.390832][  T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc71f99080
| [   14.944297][  T337] softirqs last disabled at (14795): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   14.944299][  T337] Preemption disabled at:
| [   14.944300][  T337] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.944309][  T337] Tainted: [W]=WARN
[   14.944310][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.944312][  T337] Call Trace:
[   14.944313][  T337]  <TASK>
[   14.944315][  T337]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.944321][  T337]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.944323][  T337]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.944330][  T337]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.944334][  T337]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.944339][  T337]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.944341][  T337]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.944347][  T337]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.944350][  T337]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.944353][  T337]  put_chars (drivers/char/virtio_console.c:1176)
[   14.944355][  T337]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.944357][  T337]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.944360][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.944364][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.944366][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.944370][  T337]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.944373][  T337]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.944375][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944376][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944380][  T337]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.944382][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.944385][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944388][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.944392][  T337]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.944396][  T337]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.944397][  T337]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.944401][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944403][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.944407][  T337]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.944411][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.944413][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944418][  T337]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.944421][  T337]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.944423][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944425][  T337]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.944428][  T337]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.944430][  T337]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.944434][  T337]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.944438][  T337]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.944440][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.944443][  T337]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.944447][  T337]  _printk (kernel/printk/printk.c:2504)
[   14.944450][  T337]  ? snapshot_read.cold (user.c:?)
[   14.944454][  T337]  ? br_multicast_flood (??:?) bridge
[   14.944467][  T337]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.944469][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.944470][  T337]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.944474][  T337] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.944485][  T337] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.944493][  T337] new_nbp (net/bridge/br_if.c:449) bridge
[   14.944502][  T337] br_add_if (net/bridge/br_if.c:592) bridge
[   14.944509][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.944513][  T337]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.944516][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   14.944520][  T337]  do_set_master (net/core/rtnetlink.c:3071)
[   14.944525][  T337]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.944528][  T337]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.944531][  T337]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.944533][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.944535][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.944538][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.944546][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.944548][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.944551][  T337]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.944554][  T337]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.944555][  T337]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.944558][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944560][  T337]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.944563][  T337]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.944568][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.944570][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.944572][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944575][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.944576][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944578][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944580][  T337]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.944584][  T337]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.944587][  T337]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.944590][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.944593][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.944595][  T337]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.944600][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.944605][  T337]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.944610][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.944612][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944617][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.944619][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.944621][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.944622][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.944626][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.944628][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.944631][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.944633][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944637][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.944639][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.944642][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.944644][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.944647][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.944653][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.944655][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.944659][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.944663][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.944665][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.944670][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.944673][  T337]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.944677][  T337]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.944682][  T337]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.944685][  T337]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.944687][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.944689][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   14.944696][  T337]  ___sys_sendmsg (net/socket.c:2767)
[   14.944699][  T337]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.944714][  T337]  __sys_sendmsg (net/socket.c:2799)
[   14.944717][  T337]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.944724][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.944727][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.944730][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.944733][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.944735][  T337] RIP: 0033:0x7f7d9c81554e
[   14.944739][  T337] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.944740][  T337] RSP: 002b:00007ffc4ea5b130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.944743][  T337] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7d9c81554e
[   14.944745][  T337] RDX: 0000000000000000 RSI: 00007ffc4ea5b1e0 RDI: 0000000000000005
[   14.944746][  T337] RBP: 00007ffc4ea5b140 R08: 0000000000000000 R09: 0000000000000000
[   14.944746][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910510
[   14.944747][  T337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4ea5b8a0
| [   16.493093][  T383] softirqs last disabled at (13288): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.493095][  T383] Preemption disabled at:
| [   16.493096][  T383] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.493106][  T383] Tainted: [W]=WARN
[   16.493106][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.493108][  T383] Call Trace:
[   16.493110][  T383]  <TASK>
[   16.493111][  T383]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.493117][  T383]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.493120][  T383]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.493124][  T383]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.493129][  T383]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.493134][  T383]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.493136][  T383]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.493142][  T383]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.493145][  T383]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.493148][  T383]  put_chars (drivers/char/virtio_console.c:1176)
[   16.493151][  T383]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.493153][  T383]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.493156][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.493160][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.493162][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.493166][  T383]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.493169][  T383]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.493171][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.493173][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.493177][  T383]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.493179][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.493182][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.493185][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.493189][  T383]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.493193][  T383]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.493194][  T383]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.493198][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.493200][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.493204][  T383]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.493208][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.493210][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.493216][  T383]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.493218][  T383]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.493220][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.493223][  T383]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.493226][  T383]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.493228][  T383]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.493231][  T383]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.493236][  T383]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.493238][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.493241][  T383]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.493245][  T383]  _printk (kernel/printk/printk.c:2504)
[   16.493249][  T383]  ? snapshot_read.cold (user.c:?)
[   16.493253][  T383]  ? br_multicast_flood (??:?) bridge
[   16.493266][  T383]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.493267][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.493268][  T383]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.493273][  T383] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.493283][  T383] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.493292][  T383] new_nbp (net/bridge/br_if.c:449) bridge
[   16.493301][  T383] br_add_if (net/bridge/br_if.c:592) bridge
[   16.493308][  T383]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.493312][  T383]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.493315][  T383]  ? __kernel_text_address (kernel/extable.c:79)
[   16.493319][  T383]  do_set_master (net/core/rtnetlink.c:3071)
[   16.493326][  T383]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.493329][  T383]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.493332][  T383]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.493334][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.493336][  T383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.493339][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.493342][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.493344][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.493346][  T383]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.493350][  T383]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.493351][  T383]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.493354][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.493356][  T383]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.493359][  T383]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.493364][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.493366][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.493368][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.493371][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.493373][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.493374][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.493377][  T383]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.493381][  T383]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.493384][  T383]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.493386][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.493390][  T383]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.493391][  T383]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.493397][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.493402][  T383]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.493407][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.493409][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.493414][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.493416][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.493418][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.493419][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.493423][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.493425][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.493428][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.493430][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.493434][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.493436][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.493440][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.493441][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.493444][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.493451][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.493452][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.493456][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.493460][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.493463][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.493467][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.493471][  T383]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.493475][  T383]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.493480][  T383]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.493483][  T383]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.493485][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.493487][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   16.493494][  T383]  ___sys_sendmsg (net/socket.c:2767)
[   16.493497][  T383]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.493513][  T383]  __sys_sendmsg (net/socket.c:2799)
[   16.493516][  T383]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.493522][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.493526][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.493529][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.493532][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.493534][  T383] RIP: 0033:0x7f24c098654e
[   16.493537][  T383] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.493544][  T383] RSP: 002b:00007fffa93d3310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.493547][  T383] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f24c098654e
[   16.493549][  T383] RDX: 0000000000000000 RSI: 00007fffa93d33c0 RDI: 0000000000000005
[   16.493549][  T383] RBP: 00007fffa93d3320 R08: 0000000000000000 R09: 0000000000000000
[   16.493551][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910511
[   16.493551][  T383] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa93d3a80
| [   26.313120][   T12] softirqs last disabled at (38078): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [   26.313124][   T12] Preemption disabled at:
| [   26.313125][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.313135][   T12] Tainted: [W]=WARN
[   26.313135][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.313137][   T12] Workqueue: netns cleanup_net
[   26.313140][   T12] Call Trace:
[   26.313142][   T12]  <TASK>
[   26.313144][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.313150][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.313152][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.313157][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.313161][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.313166][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.313168][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.313174][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.313177][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.313180][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   26.313183][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.313186][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   26.313191][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.313193][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.313195][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.313200][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.313201][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   26.313204][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.313208][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.313212][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.313216][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.313218][   T12]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   26.313221][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.313223][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.313227][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.313232][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.313233][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.313239][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.313242][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.313243][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.313246][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.313250][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.313251][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.313255][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.313259][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.313261][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   26.313263][   T12]  ? kthread (kernel/kthread.c:436)
[   26.313265][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   26.313267][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   26.313272][   T12]  _printk (kernel/printk/printk.c:2504)
[   26.313275][   T12]  ? snapshot_read.cold (user.c:?)
[   26.313280][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.313283][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.313287][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.313289][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   26.313293][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.313296][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   26.313299][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   26.313300][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.313302][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.313306][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   26.313310][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   26.313314][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   26.313332][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   26.313341][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   26.313350][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   26.313353][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.313357][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   26.313359][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.313362][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   26.313367][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   26.313370][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.313374][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.313376][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.313380][   T12]  process_one_work (kernel/workqueue.c:3387)
[   26.313386][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   26.313390][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.313397][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   26.313404][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   26.313406][   T12]  kthread (kernel/kthread.c:436)
[   26.313408][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.313411][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   26.313414][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.313417][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   26.313420][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.313423][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print